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G4ElectroNuclearBuilder.cc
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25 //
26 // $Id$
27 //
28 //---------------------------------------------------------------------------
29 //
30 // ClassName: G4ElectroNuclearBuilder
31 //
32 // Author: 2002 H.P. Wellisch
33 //
34 // Modified:
35 // 25.04.2006 V.Ivanchenko fix destructor
36 //
37 //----------------------------------------------------------------------------
38 //
39 
40 #include "G4ElectroNuclearBuilder.hh"
41 
42 #include "globals.hh"
43 #include "G4ios.hh"
44 #include "G4SystemOfUnits.hh"
45 
46 #include "G4ParticleDefinition.hh"
47 #include "G4ParticleTable.hh"
48 #include "G4Gamma.hh"
49 #include "G4Electron.hh"
50 #include "G4Positron.hh"
51 #include "G4ProcessManager.hh"
52 
53 G4ElectroNuclearBuilder::G4ElectroNuclearBuilder() :
54  thePhotoNuclearProcess(0), theElectronNuclearProcess(0),
55  thePositronNuclearProcess(0), theElectroReaction(0),
56  theGammaReaction(0), theModel(0), theCascade(0),
57  theStringModel(0), theFragmentation(0), theStringDecay(0),
58  wasActivated(false)
59 {
60 }
61 
62 G4ElectroNuclearBuilder::~G4ElectroNuclearBuilder()
63 {
64  if(wasActivated) {
65  delete theFragmentation;
66  delete theStringDecay;
67  delete theStringModel;
68  delete thePhotoNuclearProcess;
69  delete theElectronNuclearProcess;
70  delete thePositronNuclearProcess;
71  delete theElectroReaction;
72  delete theGammaReaction;
73  delete theModel;
74  delete theCascade;
75  }
76 }
77 
78 void G4ElectroNuclearBuilder::Build()
79 {
80  if(wasActivated) return;
81  wasActivated=true;
82 
83  thePhotoNuclearProcess = new G4PhotoNuclearProcess;
84  theElectronNuclearProcess = new G4ElectronNuclearProcess;
85  thePositronNuclearProcess = new G4PositronNuclearProcess;
86  theElectroReaction = new G4ElectroNuclearReaction;
87  theGammaReaction = new G4GammaNuclearReaction;
88 
89  theModel = new G4TheoFSGenerator;
90 
91  theStringModel = new G4QGSModel< G4GammaParticipants >;
92  theStringDecay = new G4ExcitedStringDecay(theFragmentation=new G4QGSMFragmentation);
93  theStringModel->SetFragmentationModel(theStringDecay);
94 
95  theCascade = new G4GeneratorPrecompoundInterface;
96 
97  theModel->SetTransport(theCascade);
98  theModel->SetHighEnergyGenerator(theStringModel);
99 
100  G4ProcessManager * aProcMan = 0;
101 
102  aProcMan = G4Gamma::Gamma()->GetProcessManager();
103  theGammaReaction->SetMaxEnergy(3.5*GeV);
104  thePhotoNuclearProcess->RegisterMe(theGammaReaction);
105  theModel->SetMinEnergy(3.*GeV);
106  theModel->SetMaxEnergy(100*TeV);
107  thePhotoNuclearProcess->RegisterMe(theModel);
108  aProcMan->AddDiscreteProcess(thePhotoNuclearProcess);
109 
110  aProcMan = G4Electron::Electron()->GetProcessManager();
111  theElectronNuclearProcess->RegisterMe(theElectroReaction);
112  aProcMan->AddDiscreteProcess(theElectronNuclearProcess);
113 
114  aProcMan = G4Positron::Positron()->GetProcessManager();
115  thePositronNuclearProcess->RegisterMe(theElectroReaction);
116  aProcMan->AddDiscreteProcess(thePositronNuclearProcess);
117 }
118 
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